Ideal for home-office and small-business customers who value reliability and who need to print high-quality, professional documents and marketing materials. HP 305A Black LaserJet Toner Cartridge makes documents and marketing materials look professional. Maintain productivity by avoiding wasted time and supplies. These cartridges are specially designed for your HP LaserJet Pro printer.Compatible Printers: HP LaserJet Pro 300 Series, HP LaserJet Pro 300 color MFP M 375 nw, HP LaserJet Pro 400 color M 451 dw, HP LaserJet Pro 300 color M 351 A, HP LaserJet Pro 400 color M 451 nw, HP LaserJet Pro 400 color M 451 dn, HP LaserJet Pro 400 color MFP M 475 dn, HP LaserJet Pro 400 color MFP M 475 dw